CN104747788B - 一种低压差开启止回阀的开关位置指示结构 - Google Patents
一种低压差开启止回阀的开关位置指示结构 Download PDFInfo
- Publication number
- CN104747788B CN104747788B CN201510152345.3A CN201510152345A CN104747788B CN 104747788 B CN104747788 B CN 104747788B CN 201510152345 A CN201510152345 A CN 201510152345A CN 104747788 B CN104747788 B CN 104747788B
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- China
- Prior art keywords
- arm
- low voltage
- voltage difference
- indicating arm
- switch instruction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0033—Electrical or magnetic means using a permanent magnet, e.g. in combination with a reed relays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510152345.3A CN104747788B (zh) | 2015-04-01 | 2015-04-01 | 一种低压差开启止回阀的开关位置指示结构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510152345.3A CN104747788B (zh) | 2015-04-01 | 2015-04-01 | 一种低压差开启止回阀的开关位置指示结构 |
Publications (2)
Publication Number | Publication Date |
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CN104747788A CN104747788A (zh) | 2015-07-01 |
CN104747788B true CN104747788B (zh) | 2016-10-19 |
Family
ID=53587891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510152345.3A Active CN104747788B (zh) | 2015-04-01 | 2015-04-01 | 一种低压差开启止回阀的开关位置指示结构 |
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CN (1) | CN104747788B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI576858B (zh) * | 2015-10-16 | 2017-04-01 | 行政院原子能委員會核能研究所 | 核能級控制閥檢驗測試系統 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239616A (en) * | 1964-05-05 | 1966-03-08 | Crane Co | Valve indicator and limit switch combination |
CN102313064A (zh) * | 2010-06-30 | 2012-01-11 | 株式会社电装 | 阀门控制设备 |
CN202266740U (zh) * | 2011-09-15 | 2012-06-06 | 安徽省白湖阀门厂有限责任公司 | 一种具有开度指示器的旋启式止回阀门 |
CN102734506A (zh) * | 2011-04-12 | 2012-10-17 | 大连大高阀门股份有限公司 | 核一级锻钢带位置指示器的旋启式止回阀 |
CN203442236U (zh) * | 2013-08-26 | 2014-02-19 | 上海东方威尔阀门有限公司 | 带开度显示的节能缓阻止回阀 |
CN103851213A (zh) * | 2012-12-06 | 2014-06-11 | 中核苏阀科技实业股份有限公司 | 一种核二级主蒸汽隔离阀 |
CN104214400A (zh) * | 2014-08-28 | 2014-12-17 | 福建中锦新材料有限公司 | 直行程调节阀及其调节方法 |
CN204187056U (zh) * | 2014-09-30 | 2015-03-04 | 江南阀门有限公司 | 汽轮机高压进汽止回阀 |
CN204226752U (zh) * | 2014-10-11 | 2015-03-25 | 上海盛唐阀门科技有限公司 | 气动止回阀 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8707886B2 (en) * | 2010-05-17 | 2014-04-29 | Taylor Innovations, L.L.C. | Protection cap assembly with leak detection capability for a pressurized valve |
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2015
- 2015-04-01 CN CN201510152345.3A patent/CN104747788B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239616A (en) * | 1964-05-05 | 1966-03-08 | Crane Co | Valve indicator and limit switch combination |
CN102313064A (zh) * | 2010-06-30 | 2012-01-11 | 株式会社电装 | 阀门控制设备 |
CN102734506A (zh) * | 2011-04-12 | 2012-10-17 | 大连大高阀门股份有限公司 | 核一级锻钢带位置指示器的旋启式止回阀 |
CN202266740U (zh) * | 2011-09-15 | 2012-06-06 | 安徽省白湖阀门厂有限责任公司 | 一种具有开度指示器的旋启式止回阀门 |
CN103851213A (zh) * | 2012-12-06 | 2014-06-11 | 中核苏阀科技实业股份有限公司 | 一种核二级主蒸汽隔离阀 |
CN203442236U (zh) * | 2013-08-26 | 2014-02-19 | 上海东方威尔阀门有限公司 | 带开度显示的节能缓阻止回阀 |
CN104214400A (zh) * | 2014-08-28 | 2014-12-17 | 福建中锦新材料有限公司 | 直行程调节阀及其调节方法 |
CN204187056U (zh) * | 2014-09-30 | 2015-03-04 | 江南阀门有限公司 | 汽轮机高压进汽止回阀 |
CN204226752U (zh) * | 2014-10-11 | 2015-03-25 | 上海盛唐阀门科技有限公司 | 气动止回阀 |
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CN104747788A (zh) | 2015-07-01 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20151026 Address after: 201814 Shanghai public road, Jiading District, No. 111 Applicant after: SHANGHAI VALVE FACTORY Co.,Ltd. Applicant after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Address before: 201814 Shanghai public road, Jiading District, No. 111 Applicant before: SHANGHAI VALVE FACTORY Co.,Ltd. |
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CB02 | Change of applicant information |
Address after: 201814 Shanghai public road, Jiading District, No. 111 Applicant after: SHANGHAI VALVE FACTORY CO.,LTD. Applicant after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Address before: 201814 Shanghai public road, Jiading District, No. 111 Applicant before: SHANGHAI VALVE FACTORY Co.,Ltd. Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
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COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: No. 111, Zhongbai Road, Jiading District, Shanghai, 201814 Patentee after: SHANGHAI VALVE FACTORY CO.,LTD. Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 111, Zhongbai Road, Jiading District, Shanghai, 201814 Patentee before: SHANGHAI VALVE FACTORY CO.,LTD. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address after: No. 111, Zhongbai Road, Jiading District, Shanghai, 201814 Patentee after: SHANGHAI VALVE FACTORY CO.,LTD. Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 111, Zhongbai Road, Jiading District, Shanghai, 201814 Patentee before: SHANGHAI VALVE FACTORY CO.,LTD. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
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CP01 | Change in the name or title of a patent holder |